Element block pseudo-element :before generated with padding 20px font-size 16px height auto display block box-shadow 1px 1px 1px rgba(0,0,0,0.3) width 160px box-sizing content-box font-weight normal float none transition background text-shadow 1px 1px 1px rgba(0,0,0,0.2) cursor default border-radius line-height 1 overflow hidden z-index auto position static margin 0px border 0px rgba(0,0,0,1) solid transform